METHOD OF FORMING A POLYURETHANE FOAM

A method of forming polyurethane foam from a resin component and an isocyanate component includes the use of at least one control valve controlling a flow rate of at least one of the resin component and the isocyanate component. The method includes connecting lines having at least a 1 inch diameter...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DUNLAP MATTHEW C, SUGGS THOMAS M, WEBER DONALD E, SWAB JOHN H
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS BLASTING CHEMISTRY COCKS COMPOSITIONS BASED THEREON DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL PROCESSES OF COMPOUNDING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING METALLURGY NOZZLES ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TAPS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THEIR PREPARATION OR CHEMICAL WORKING-UP THERMAL INSULATION IN GENERAL TRANSPORTING VALVES WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	A method of forming polyurethane foam from a resin component and an isocyanate component includes the use of at least one control valve controlling a flow rate of at least one of the resin component and the isocyanate component. The method includes connecting lines having at least a 1 inch diameter to a housing of the control valve. The method also includes coupling a source of gas pressure to the line. At least one of the resin component and the isocyanate component is pressurized with the source of gas pressure to move the resin and/or isocyanate component through the line and into the flow control device at a flow rate of between 5 and 70 gallons per minute.